<?php
class ControllerToolBackup extends Controller
{
	private $error = array();

	public function index()
	{
		$this->load->language('tool/backup');
		$this->document->setTitle($this->language->get('heading_title'));
		$this->load->model('tool/backup');

		if ($this->request->server['REQUEST_METHOD'] == 'POST' && $this->user->hasPermission('modify', 'tool/backup'))
		{
			if (is_uploaded_file($this->request->files['import']['tmp_name']))
			{
				$content = file_get_contents($this->request->files['import']['tmp_name']);
			}
			else
			{
				$content = false;
			}

			if ($content)
			{
				$this->model_tool_backup->restore($content);
				$this->session->data['success'] = $this->language->get('text_success');
				$this->redirect($this->url->link('tool/backup'));
			}
			else
			{
				$this->error['warning'] = $this->language->get('error_empty');
			}
		}

		$this->data['heading_title']     = $this->language->get('heading_title');
		$this->data['text_select_all']   = $this->language->get('text_select_all');
		$this->data['text_unselect_all'] = $this->language->get('text_unselect_all');
		$this->data['entry_restore']     = $this->language->get('entry_restore');
		$this->data['entry_backup']      = $this->language->get('entry_backup');

		$this->data['button_backup']  = $this->language->get('button_backup');
		$this->data['button_restore'] = $this->language->get('button_restore');

		if (isset($this->session->data['error']))
		{
			$this->data['error_warning'] = $this->session->data['error'];
			unset($this->session->data['error']);
		}
		elseif (isset($this->error['warning']))
		{
			$this->data['error_warning'] = $this->error['warning'];
		}
		else
		{
			$this->data['error_warning'] = '';
		}

		if (isset($this->session->data['success']))
		{
			$this->data['success'] = $this->session->data['success'];
			unset($this->session->data['success']);
		}
		else
		{
			$this->data['success'] = '';
		}

		$this->data['breadcrumbs']   = array();
		$this->data['breadcrumbs'][] = array(
			'text'      => $this->language->get('text_home'),
			'href'      => $this->url->link('common/home'),
			'separator' => false
		);

		$this->data['breadcrumbs'][] = array(
			'text'      => $this->language->get('heading_title'),
			'href'      => $this->url->link('tool/backup'),
			'separator' => ' :: '
		);

		$this->data['restore'] = $this->url->link('tool/backup');
		$this->data['backup']  = $this->url->link('tool/backup/backup');
		$this->load->model('tool/backup');
		$this->data['tables'] = $this->model_tool_backup->getTables();
		$this->template       = 'template/tool/backup.tpl';
		$this->children       = array(
			'common/header',
			'common/footer'
		);
		$this->response->setOutput($this->render());
	}

	public function backup()
	{
		$this->load->language('tool/backup');
		if (!isset($this->request->post['backup']))
		{
			$this->session->data['error'] = $this->language->get('error_backup');
			$this->redirect($this->url->link('tool/backup'));
		}
		elseif ($this->user->hasPermission('modify', 'tool/backup'))
		{
			$this->response->addheader('Pragma: public');
			$this->response->addheader('Expires: 0');
			$this->response->addheader('Content-Description: File Transfer');
			$this->response->addheader('Content-Type: application/octet-stream');
			$this->response->addheader('Content-Disposition: attachment; filename=' . date('Y-m-d_H-i-s', time()) . '_backup.sql');
			$this->response->addheader('Content-Transfer-Encoding: binary');
			$this->load->model('tool/backup');
			$this->response->setOutput($this->model_tool_backup->backup($this->request->post['backup']));
		}
		else
		{
			$this->session->data['error'] = $this->language->get('error_permission');
			$this->redirect($this->url->link('tool/backup'));
		}
	}
}

?>